Dr. Jill A. Janssen

Veterinarian/Owner – Plain
Dairy Medicine

Dr. Janssen grew up on a farm in Rock Falls, Illinois with Angus cattle and hogs. From the age of five she knew she would be a vet and a few years later majored in Animal Science at the University of Illinois in Champaign-Urbana. After graduating from veterinary medical school from the U of I, she did an ambulatory internship with the university before joining River Valley Veterinary Clinic-Plain in 1999. Her main interests lie with reproductive health and ultrasound, but also enjoys calf management.

With her husband, Clint, Dr. Janssen has three children: Emily, Ryan and Dylan. The family has two dogs, George and Bella, the cat PinPin and three rambunctious kittens, Rose, Jack and Striker. Dr. Janssen enjoys supporting her kids in all their extracurricular activities as well as gardening, canning and reading.


Dr. Matthew McGlynn

Veterinarian/Owner – Reedsburg
Small Animal Medicine and Surgery

Dr. McGlynn grew up in Soldiers Grove, Wisconsin, and received his undergraduate degree from UW-LaCrosse.  Initially, he worked in cardiology research at UW-Madison. He went on to earn his veterinary medical degree from UW-Madison in 1993 and then moved to Reedsburg where he practiced at Reedsburg Veterinary Clinic. In 2009 the clinic was purchased and merged with River Valley Veterinary Clinic.  He believes in providing excellent care for your pets, and has a special interest in providing options for the care of older animals. Dr. McGlynn and his wife Diana have three children.


Dr. Ashley Kruse

Veterinarian/Owner – Reedsburg
Dairy/Beef Medicine

Dr. Kruse grew up on a 70-cow dairy farm in Stetsonville, Wisconsin which started her passion for animals in general, but specifically cattle. During her younger years, she was very active in 4-H and FFA. She graduated from UW-Madison School of Veterinary Medicine in 2009 and joined River Valley Veterinary Clinic-Reedsburg upon graduation.

Dr. Kruse focuses on dairy herd health management, with ultrasound services, large animal ambulatory medicine and on farm surgery. She is also currently working on expanding her knowledge of small ruminants.

Dr. Kruse and her husband Marc are very busy outside of work taking care of their three sons: Owen (5), Graham (3) and Everett (1). When she get some free time, Dr. Kruse she enjoys cooking, baking and playing softball, volleyball, and of course league bowling!


Dr. Dustin Lochner

Veterinarian/Owner – Plain
Dairy/Beef Medicine

Dr. Lochner was raised on a 225 cow Holstein dairy outside of Lodi, Wisconsin and developed an interest in helping farmers be successful and maintaining the health of an animal while maximizing her profitability. He went to UW-Platteville, majoring in Animal Science before attending veterinary medical school at UW-Madison. After graduating in 2010, Dr. Lochner worked for ABS Global in Madison before joining River Valley Veterinary Clinic-Plain in 2013.

With his wife, Holly, Dr. Lochner enjoys hunting, softball, volleyball, curling and gardening. He also frequents Brewer, Packer and Badger games.


Dr. Carrie Bargren

Associate Veterinarian – Plain
Dairy/Beef & Small Ruminant Medicine

Dr. Bargren grew up in a suburb outside Milwaukee where the only cows were the five at the zoo and those at the State Fair. She was interested in large animals from an early age and developed interest in dairy medicine during undergrad at UW-Madison (Genetics) while working with dairy cattle on research projects. She attended veterinary medical school at UW-Madison and joined River Valley Veterinary Clinic-Plain after graduating in June 2015. Her interests lie with neonatal calf and transition cow management as well as herd-based health problems.

Dr. Bargren’s parents remain in Milwaukee and she has a sister who is an ER doctor in New York City. She has recently acquired a kitten, Greta, to keep her other cat, Lucy, company. In her spare time, Dr. Bargren enjoys being with her family as well as going sailing, hiking, camping, kayaking, cross-country skiing, reading and baking.


Dr. Erin Murphy

Associate Veterinarian – Reedsburg
Small Animal Medicine and Surgery
Dairy/Beef Medicine

Dr. Murphy (ne Harris) graduated from UW-Madison School of Veterinary College in 2016 focusing in both production animal and small animal medicine. Shortly after graduating she began working her at River Valley Veterinary Clinic. During the day she can be found in the Reedsburg small animal clinic taking care of dogs and cats, while on nights and weekends she helps our large animal service with farm calls. Her interests include client education, ophthalmology, dermatology, soft-tissue surgery, and hospice/end-of-life care. One of the things that keeps her passionate about veterinary medicine is being able to work with clients to create individualized diagnostic and treatment plans that are both affordable and effective.

When she is not working, Dr. Murphy enjoys spending time outdoors with her husband, Steve, as well as spending quality cuddle time with their two mischievous Siamese cats, Pearl and Finn.


Dr. Samantha Trollope

Associate Veterinarian
Dr. Trollope grew up in a rural town in eastern Massachusetts. She graduated from Becker college in Worcester, MA with a degree in veterinary science and became a certified veterinary technician. She worked in equine medicine, small animal emergency medicine, and one of the local universities dairy barns over the course of 4 years before heading off the vet school at Ross University School of Veterinary Medicine in St. Kitts. She graduated from Ross in 2015 and started her veterinary career as a large animal veterinarian in Kentucky and Tennessee for the first 3 years. She worked on dairy and beef cattle, along with horses. She enjoys the diversity that comes with working with the different large animal species.

On her off time Dr. Trollope enjoys competing in triathlons (swimming, biking and running) and road races. Her and her husband, Tom, have 3 dogs and 3 cats.


Dr. Kristen Joseph

Associate Veterinarian – Plain
Dairy/Beef & Swine Medicine

Dr. Joseph grew up on a sheep farm in eastern Ohio and developed an interest in veterinary medicine in junior high when one of their lambs was stepped on and had both legs broken. With her mom’s help the legs were splinted, the lamb made a full recovery and Dr. Joseph was on track to being a large animal veterinarian.

Dr. Joseph graduated from veterinary medical school at The Ohio State University in 2018 and joined River Valley Veterinary Clinic-Plain shortly thereafter. Her interests lie in preventative medicine, records analysis and population/production medicine.

Dr. Joseph and her husband, Josh, have a farm near Richland Center with about 40 head of cattle and 80 ewes. They also have an Australian Shepherd puppy named Roy. Outside work, Dr. Joseph farms with Josh, is active in church and enjoys spending time with her family, baking and gardening.